Pacquiao vs. Mosley Has Shane Mosley Criticizing Floyd Mayweather Leading Up to the BoutThe media, fans and boxing world has greatly lashed out at Floyd Mayweather Jr. for not accepting a fight with Manny Pacquiao.Now, even Pacquiao's upcoming opponent, Shane Mosley, has some harsh words for the undefeated pound-for-pound five-division world champion.Said Mosley, via Yahoo! Sports:“I don’t know what to make of Floyd not fighting this fight. It’s mind-boggling to me. It’s like I said on Twitter, it feels like I’m doing Floyd’s dirty work.”READ MORE: Mike Tyson, Roy Jones Jr and the Top 20 Uppercuts in Boxing History (With Video)Mosley, 39, fights Pacquiao on May 7 at the MGM Grand in Las Vegas, and he's making it clear that